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2. Panerai - Wikipedia

   en.wikipedia.org/wiki/Panerai

   Officine Panerai (also known simply as Panerai) is an Italian luxury watch manufacturer, ... Price Realized CHF97,000 ($86,490) "Timeline 1860". panerai.com. Officine ...

3. Glass-ceramic-to-metal seals - Wikipedia

   en.wikipedia.org/wiki/Glass-ceramic-to-metal_seals

   The white opaque "glue" between the panel and the funnel of a colour TV cathode ray tube is a devitrified solder glass based on the system PbO – ZnO – B 2 O 3.While this is a glass-ceramic-to-glass seal, the basic patent of S.A. Claypoole considers glass-ceramic-to-metal seals as well.

4. Hermetic seal - Wikipedia

   en.wikipedia.org/wiki/Hermetic_seal

   A hermetic seal is any type of sealing that makes a given object airtight (preventing the passage of air, oxygen, or other gases). The term originally applied to airtight glass containers but, as technology advanced, it applied to a larger category of materials, including metals , rubber , and plastics .

5. Tantalum carbide - Wikipedia

   en.wikipedia.org/wiki/Tantalum_carbide

   Tantalum carbide is widely used as sintering additive in ultra-high temperature ceramics (UHTCs) or as a ceramic reinforcement in high-entropy alloys (HEAs) due to its excellent physical properties in melting point, hardness, elastic modulus, thermal conductivity, thermal shock resistance, and chemical stability, which makes it a desirable ...

6. Geneva Seal - Wikipedia

   en.wikipedia.org/wiki/Geneva_Seal

   The Geneva Seal (English), Poinçon de Genève (French), or Genfer Siegel (German) is the official seal of the City and Canton of Geneva, Switzerland.When a variation of the official seal is applied to wristwatch movements, the Geneva Seal is the quality seal of the Watchmaking School of Geneva and it has an official purpose as defined by the law.

7. Ceramic petrography - Wikipedia

   en.wikipedia.org/wiki/Ceramic_petrography

   Ceramic petrography (or ceramic petrology) is a laboratory-based scientific archaeological technique that examines the mineralogical and microstructural composition of ceramics and other inorganic materials under the polarised light microscope in order to interpret aspects of the provenance and technology of artefacts.